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Class Information
Number: 413/15
Name: Sheet metal container making > Method > Forming or treating metallic closure > Fabricating or assembling member having frangible portion (e.g., tear tab forming) > Forming discontinuous frangible fracture line (e.g., push-in type with hinged tear tab)
Description: Process for fabricating a member having a weakened peripheral portion which extends about only a portion of the member and wherein the container is opened by pushing the member downwardly.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6688832 |
Easy-open end and method of making |
Feb. 10, 2004 |
| 6435368 |
Easy opening can end and method for fabricating the same |
Aug. 20, 2002 |
| 6315511 |
Method and apparatus for coining end panels of containers |
Nov. 13, 2001 |
| 6266992 |
Modular tooling system for lane tooling in a conversion press and method for the use thereof |
Jul. 31, 2001 |
| 6206222 |
Resealable closure on seamed can end |
Mar. 27, 2001 |
| 5927536 |
Metal easy open can lid superior in can openability and process for production of thereof |
Jul. 27, 1999 |
| 5832770 |
Process for further treating a closure end made of sheet |
Nov. 10, 1998 |
| 5813811 |
Easy-access sheet metal container structures |
Sep. 29, 1998 |
| 5770290 |
Easy open end of a metal-plastic construction |
Jun. 23, 1998 |
| 5590993 |
Easy-access sheet metal container structures |
Jan. 7, 1997 |
| 5252019 |
Convenience-feature non-circular end closure with interrupted panel profiling |
Oct. 12, 1993 |
| 5074732 |
Method of producing a can end from metal |
Dec. 24, 1991 |
| 4994009 |
Easy open can end method of manufacture |
Feb. 19, 1991 |
| 4909407 |
Can lid with easy-open tab |
Mar. 20, 1990 |
| 4802603 |
Easy open can end |
Feb. 7, 1989 |
| 4753018 |
Multivent system for dryer exhaust |
Jun. 28, 1988 |
| 4701090 |
Method of manufacture of a can end with a push in vent tab and main tab |
Oct. 20, 1987 |
| 4585140 |
Can lid with integral push-in tab |
Apr. 29, 1986 |
| 4579495 |
Environmental retained tab ends |
Apr. 1, 1986 |
| 4556354 |
Process for production of bonded can of key-opening type |
Dec. 3, 1985 |
| 4530631 |
Pull tab for easy open can end-method of manufacture thereof |
Jul. 23, 1985 |
| 4397345 |
Manufacture of rims for the wheels of road vehicles |
Aug. 9, 1983 |
| 4343119 |
Beveled lobe anti-skid grating |
Aug. 10, 1982 |
| 4328694 |
Outlet tube and method |
May. 11, 1982 |
| 4280427 |
Easy open can end |
Jul. 28, 1981 |
| 4213324 |
Punch press and method for making can ends with closures |
Jul. 22, 1980 |
| 4186678 |
Method of making easy-open, push-tab end for metal containers |
Feb. 5, 1980 |
| 4033275 |
Method of forming an opening tab in sheet metal container end closures |
Jul. 5, 1977 |
| 3999494 |
Method and apparatus for forming openings in a can end and applying a sealant to the inside surfaces of the openings |
Dec. 28, 1976 |
| 3983827 |
Tab scoring for containers and lids |
Oct. 5, 1976 |
| 3980034 |
Method of producing an easy-opening closure |
Sep. 14, 1976 |
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